MESON Chess Problem Database

Problem Display
PID: 192875 (rb6/k1p3rR/B7/1P3p2/1PN5/8/3p1K2/3b2B1 w - - 0 1)

Kipping, Cyril Stanley

The Problemist, 1938

rb6/k1p3rR/B7/1P3p2/1PN5/8/3p1K2/3b2B1

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rg2+
      • 2.Kxg2#
    • 1...Rg3
      • 2.Kxg3#
  • Tries
    • 1.Kf1+?
      • 1...c5
        • 2.Bxc5#
      • 1...Rxg1+!
    • 1.Sd6?
      • threat
        • 2.Sc8#
      • 1...Rg2+
        • 2.Kxg2#
      • 1...Kb6
        • 2.Sc8#
      • 1...cxd6
        • 2.Kf1#
      • 1...Rg8!
  • Keys
    • 1.Rxg7!
      • threat
        • 2.Kf1#
        • 2.Kg2#
        • 2.Kg3#
      • 1...Be2
        • 2.Kxe2#
        • 2.Kg2#
        • 2.Kg3#
      • 1...Bf3
        • 2.Kf1#
        • 2.Kxf3#
        • 2.Kg3#
      • 1...f4
        • 2.Kf1#
        • 2.Kg2#

There are these versions: 192876

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • R(f);CHECK,P_SPINP(e)::B(A)+K(B),XR(f)
    • R(f);P_SPINP(e)::B(A)+K(B),XR(f)
  • Tries
    • Try
      • K(B);CHECK,P-FLIGHT
      • Vars
        • P(e);P_SPINP(e),P_SPINR(f)::B(A),XP(e)
      • Refutation
        • R(f);CHECK,P_SPINP(e),XB(A)
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • R(f);CHECK,P_SPINP(e)::B(A)+K(B),XR(f)
        • K(d);S_FLIGHT::S(D)
        • P(e);N_GUARD,P_SPINR(f),XS(D)::B(A)+K(B)
      • Refutation
        • R(f);P_SPINP(e)
  • Actual
    • R(G);P_PINP(e),XR(f)
    • Threat
      • DUALS(3)
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